Improved wrench for nuts of carriage-axles



UNITED lSTATES PATENT OFFICE.

CHARLES N. MORGAN, OF GRANBY, MASSACHUSETTS.

Specification forming part of Letters Patent N0. 56,980, dated August 7, 1866.

adaptation; and Fig. 2 is a plan view of the wrench.

My invention consists of an adjustable vise fitting over and fastened to the hub or outside rim of the hub of a wheel, and having in its center a socket in which the nut fits, so that by turning the wheel iri one direction the nut is unscrewed from the axle, and by reversing the motion it is screwed on. Its construction and operation I will now more fully describe.

VA is the wheel-hub; B, the nut. Over the outside rim of the wheel-hub A the vise, consisting of the two jaws C C sliding ou the plate E, fits. These jaws are operated to open and close by means ot' the right-and-leftthreaded screw D or a similar device, and the jaws being placed over the rim of the hub, they are drawn together, fastening the whole to the hub.

The center of the plate is provided with 'a square socket, G, which lits over the nut Bas the wrench is placed on the hub. The plate E has a square socket in the center, in which the socket G, which is formed itself on a square plate, tits. This arrangement is made so that sockets of different sizes can be used on the same wrench, thus adapting itself to any sized hub and nut.

The operation of the invention consists, simply, in placing the vise over 'the r-im 4of the hub, as before mentioned, the socket G, in the center of the same, fitting over the nut to be loosened. The handle H is then turned, operating the screws, tightening the jaws C C, and fastening the wrench to the wheel-hub. Then, by turning the wheel, usingit as alever, the' nut is turned with it, one motion unscrewing it, the reverse screwing it on again.

I do not wish to confine myselfin this invention to the details of construction, as the same object may be accomplished by different devices, and the form of the tool, if desired, may be greatly changed; but

What I do claim as new, and desire to secure by Letters Patent, is-

The device for attaching the nut to the Wheel, consisting of the jaws C C, screw D, and plate E, provided with the socket G, the whole combined and arranged in the manner and for the purpose herein described.

C. N. MORGAN.

Witnesses:

EDWARD H. HYDE, J. B. GARDINER. 

